Description
The 2024 GMC Sierra HD lineup reaches new heights with premium luxury and comfort, turbocharged pulling power and elevated technology led by the first-ever Sierra HD Denali Ultimate that is equipped with unique enhancements to the overall design and premium interior appointments. The Sierra HDs get a revised front fascia with newly-available LED headlights and taillights with sequential turn signals. The available enhanced 6.6L Duramax Turbo-Diesel engine is more powerful delivering 470 hp and 975 lb-ft of torque. The lineup includes 2500HD and 3500HD models, in Regular Cab, Extended Cab and Crew Cab.
